Apple believes everyone can take great photos on their iPhones and they offer fun little videos to show how to do it: How to shoot on iPhone.
I admit I need help and found it here. Now I just have to practice.
Here are some examples:
- How to shoot a Portrait selfie on iPhone X
- How to edit a Portrait selfie on iPhone X
- How to create a bouncing Live Photo
- How to shoot a group portrait
Have fun!